Home / 3,043.07-4,561.32-1,287.66

Finding the Fourth Proportional to 3,043.07, 4,561.32 and 1,287.66

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Solution

The fourth proportional to 3,043.07, 4,561.32 and 1,287.66 is: 1,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.07 : 4,561.32 = 1,287.66 : x
  2. Step 2: Convert to fraction form
    3,043.07/4,561.32 = 1,287.66/x
  3. Step 3: Cross multiply
    3,043.07x = 4,561.32 × 1,287.66
  4. Step 4: Simplify right side
    3,043.07x = 5,873,429.31
  5. Step 5: Solve for x
    x = 5,873,429.31/3,043.07
  6. Step 6: Final answer
    x = 1,930.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.